WO2021174536A1 - Procédé de communication et appareil associé - Google Patents

Procédé de communication et appareil associé Download PDF

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Publication number
WO2021174536A1
WO2021174536A1 PCT/CN2020/078240 CN2020078240W WO2021174536A1 WO 2021174536 A1 WO2021174536 A1 WO 2021174536A1 CN 2020078240 W CN2020078240 W CN 2020078240W WO 2021174536 A1 WO2021174536 A1 WO 2021174536A1
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WIPO (PCT)
Prior art keywords
information
priority
resource
communication
resource allocation
Prior art date
Application number
PCT/CN2020/078240
Other languages
English (en)
Chinese (zh)
Inventor
肖潇
刘航
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN202080009268.5A priority Critical patent/CN113366869B/zh
Priority to EP20922810.5A priority patent/EP4102920A4/fr
Priority to PCT/CN2020/078240 priority patent/WO2021174536A1/fr
Publication of WO2021174536A1 publication Critical patent/WO2021174536A1/fr
Priority to US17/901,638 priority patent/US20220417944A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/48—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for in-vehicle communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient

Definitions

  • This application relates to the field of wireless communication, especially to the field of short-range communication, such as the cockpit domain.
  • This application provides a communication method and related devices.
  • the connected devices involved in the smart cockpit mainly include car machines, car audio and video equipment (speakers, microphones, etc.), smart terminals, such as mobile phones, and other smart wearable devices (such as earphones).
  • the car machine and the audio and video equipment in the car are mainly connected in a wired manner; the car machine and the smart terminal, and the smart terminal and other wearable devices are mostly connected in a wireless manner, such as Bluetooth.
  • the vehicle When the vehicle is connected to the smart terminal for communication, the vehicle is now the master node, the smart terminal is the slave node, and the master node is responsible for allocating resources for the slave nodes.
  • the smart terminal communicates with the smart wearable device, the smart terminal is the master node and the smart wearable device is the slave node; in the prior art, when multiple different master-slave nodes communicate simultaneously (with different composition Domain), there may be conflicts in communication resources between multiple master-slave communication pairs, serious interference problems, severely affected communication and service performance, and lack of good user experience.
  • the embodiments of the present application disclose a communication method and related devices, which can perform unified communication resource management and allocation, and avoid interference and resource collision caused by communication between any two devices on other device communication.
  • the first aspect of the embodiments of the present application discloses a communication method, and the communication method includes:
  • the first resource configuration information is used to configure a first resource
  • the first resource is used for communication between the first device and a third device, or the first resource configuration
  • the information is used to configure a second resource
  • the second resource is used for communication between the first device and the second device.
  • the electronic device obtains at least one of the identity information and priority information of the first device, and the electronic device obtains the first resource after determining that the priority of the first device is higher than the priority of the second device Configuration information.
  • the resources configured by the first resource configuration information are allocated by the first device, and can be used for communication between the first device and the third device, and can also be used for communication between the first device and the second device.
  • the electronic device (execution body) in the embodiment of the present application may be the second device or the third device, and the priority of the device is used to determine a device with the highest priority (the first device) to coordinate resource allocation.
  • the execution subject is the second device, the second device obtains the first resource configuration information.
  • the first resource configuration is used for communication between the first device and the second device, and may also be used for communication between the first device and the third device.
  • the third device obtains the first resource configuration information, and the first resource configuration is used to configure the communication between the first device and the third device. That is, the device with the highest priority can uniformly manage and allocate communication resources, avoiding interference and resource collisions caused by communication between any two devices on other devices.
  • the priority information is used to indicate the priority of resource allocation.
  • the lower priority device obeys the resource allocation of the higher priority device.
  • the device with the highest priority allocates resources as a whole to avoid interference and resource collisions caused by communication between any two devices on other devices.
  • the identity information indicates the resource allocation priority of the first device.
  • This implementation provides that when the electronic device obtains the identity information of the first device, it can determine the resource allocation priority of the first device through the identity information, thereby determining a device with the highest priority to coordinate the allocation of resources.
  • the highest-level device can manage and allocate communication resources uniformly, avoiding interference and resource collisions caused by communication between any two devices on other devices.
  • the method further includes: stopping sending a broadcast message, the broadcast message including at least one of the identity information and priority information of the second device.
  • This implementation manner describes that after the electronic device determines that the priority of the first device is higher than that of the second device, the electronic device stops sending broadcast messages, that is, stops connecting with other devices, and obeys the resource allocation of the first device. It is realized that the device with the highest priority (the first device) can manage and allocate communication resources in a unified manner, avoiding the interference and resource collision caused by the communication between any two devices on the communication of other devices.
  • the method further includes: sending first information to the third device, where the first information is used to indicate that the second device no longer allocates resources to the third device, or The first information is used to indicate the change of the resource acquisition mode of the third device.
  • This method describes that when the electronic device is the second device, the first information is sent to the third device to indicate that the third device has a device with a higher priority (the first device), and the third device will no longer be from the second device.
  • the second device obtains the resource allocation information, and the third device can change the mode of obtaining the resource allocation information, and obtain the resource allocation information from the first device. It is realized that the device with the highest priority (the first device) can manage and allocate communication resources in a unified manner, avoiding the interference and resource collision caused by the communication between any two devices on the communication of other devices.
  • the broadcast message from the second device does not include the identity information and priority information of the second device, or the first information is used to indicate the termination of the communication to the third device.
  • Resource allocation This method describes that when the electronic device is the second device, the first information may be used to indicate that the second device no longer allocates resources to the third device. Or the broadcast message sent by the second device no longer contains the identity information and priority information of the second device, that is, the second device stops connecting with other devices and obeys the resource allocation of the first device. It is realized that the device with the highest priority (the first device) can manage and allocate communication resources in a unified manner, avoiding the interference and resource collision caused by the communication between any two devices on the communication of other devices.
  • the first information includes at least one of the identity information and priority information of the first device, and/or the first information carries a mode change indication, and the mode change The indication is used to instruct the third device to obtain resource allocation information from the first device.
  • the first information can indicate the identity information and priority information of the first device to the third device, so as to instruct the third device to receive the resource allocation from the first device.
  • the acquiring first resource configuration information includes: receiving the first resource configuration information from a first device. This way describes that the first resource configuration information can come from the first device. It is realized that the device with the highest priority can uniformly manage and allocate communication resources, avoiding the interference and resource collision caused by the communication between any two devices on the communication of other devices.
  • the method further includes: sending second resource configuration information to the third device, and the resources configured by the second resource configuration information are part of the resources in the second resource; or Sending the first resource configuration information to the third device.
  • This method describes that the electronic device sends the second resource configuration information to the third device.
  • the resources configured by the second resource configuration information are part of the resources configured by the first resource configuration information.
  • the second device receives After the first resource configuration information, the resources of the second device can be configured according to the first resource configuration information, and at the same time, the second device sends the second resource configuration information in the first resource configuration information to the third device, and the third device is based on the second resource configuration information.
  • the resource configuration information configures the resources of the third device.
  • the second device directly sends the first resource configuration information to the third device, where the first resource configuration information comes from the first device, and the second device sends the first resource configuration information to the third device.
  • the device with the highest priority does not need to establish a connection with each device, and the technical effect of uniform resource allocation to multiple devices can be achieved, which is convenient for resource management.
  • the method further includes: sending second information to the second device, where the second information is used to instruct to release the connection with the second device.
  • the third device sends second information to the second device to indicate that the second device has a higher priority device (the first device), and the third device releases The connection resource with the second device, the second device stops allocating resources to the third device. It is realized that the device with the highest priority (the first device) can manage and allocate communication resources in a unified manner, avoiding the interference and resource collision caused by the communication between any two devices on the communication of other devices.
  • the acquiring first resource configuration information includes: acquiring the first resource configuration information from the first device, where the first resource configuration information is used to configure the first resource, The first resource is used for communication between the first device and the third device.
  • the first resource configuration information of the third device may come from the first device.
  • the electronic device execution body
  • the first resource configuration information may also be forwarded from the second device, and the second device receives the resource configuration information from the first device, and then sends it to the third device.
  • the device with the highest priority can uniformly manage and allocate communication resources, avoiding the interference and resource collision caused by the communication between any two devices on the communication of other devices.
  • the method further includes: receiving first information from the second device, where the first information is used to indicate that the second device no longer allocates resources to the third device, or The second information is used to indicate the change of the resource acquisition mode of the third device.
  • This implementation mode describes that when the electronic device is the third device, the first information sent by the second device is received.
  • the first information indicates that the third device has a device with a higher priority (the first device).
  • the device no longer obtains the resource allocation information from the second device, and the third device changes the mode of obtaining the resource allocation information, and can obtain the resource allocation information from the first device. It is realized that the device with the highest priority (the first device) can manage and allocate communication resources in a unified manner, avoiding the interference and resource collision caused by the communication between any two devices on the communication of other devices.
  • the second aspect of the embodiments of the present application discloses a communication method, and the communication method includes:
  • Send third information where the third information includes at least one of the identity information of the first device, the first address, and the priority information of the first device, and the identity information of the first device indicates the first device With resource allocation function;
  • the response message including identification information of the second device.
  • the embodiment of the application provides a method for establishing a connection between devices to communicate.
  • the first device actively initiates the connection and sends third information, which can indicate the first device.
  • the priority information of the device the device with the lower priority obeys the resource allocation of the device with the higher priority.
  • the second device sends response information to the first device according to the received third information, and establishes a connection with the first device.
  • This connection method establishes connection communication based on the priority information of the device, so that when a communication pair accesses a complex environment (there are multiple communication pairs), a device with the highest priority is determined to uniformly allocate resources based on the priority information of the device. Solve the problem of mutual interference between multiple communication pairs.
  • the priority information is used to indicate the priority of resource allocation.
  • the lower priority device obeys the resource allocation of the higher priority device.
  • the device with the highest priority allocates resources as a whole to avoid interference and resource collisions caused by communication between any two devices on other devices.
  • the method further includes: sending a connection establishment message to the second device, the connection establishment message including a second address, and the second address is that the first device is the The address assigned by the second device.
  • This method describes that the first device sends the second address to the second device, where the second address is a short address.
  • the third aspect of the embodiments of the present application discloses a communication method, and the communication method includes:
  • connection establishment message includes the identification information of the second device
  • Fourth information is sent according to the connection establishment message, where the fourth information includes at least one of the identity information of the first device, the first address, and the priority information of the first device, and the identity information of the first device Indicating that the first device has a resource allocation function.
  • the embodiment of the present application provides a method for establishing a connection between devices for communication.
  • the second device actively initiates the connection, and the first device receives the connection establishment message from the second device.
  • Send fourth information to establish a connection with the second device the fourth information may indicate priority information of the first device, and the device with a lower priority obeys the resource allocation of the device with a higher priority.
  • This connection method establishes connection communication based on the priority information of the device, so that when a communication pair accesses a complex environment (there are multiple communication pairs), a device with the highest priority is determined to uniformly allocate resources based on the priority information of the device. Solve the problem of mutual interference between multiple communication pairs.
  • the priority information is used to indicate the priority of resource allocation.
  • the lower priority device obeys the resource allocation of the higher priority device.
  • the device with the highest priority allocates resources as a whole to avoid interference and resource collisions caused by communication between any two devices on other devices.
  • the fourth information further includes a second address, and the second address is an address allocated by the first device to the second device.
  • the fourth information may also include a second address, which is a short address.
  • a communication device in a fourth aspect of the embodiments of the present application, includes:
  • An acquiring unit configured to acquire at least one of identity information and priority information of a first device, where the identity information of the first device indicates that the first device has a resource allocation function;
  • a determining unit configured to determine that the priority indicated by the priority information of the first device is higher than the priority of the second device
  • the acquiring unit is further configured to acquire first resource configuration information, where the first resource configuration information is used to configure a first resource, and the first resource is used for communication between the first device and a third device, Alternatively, the first resource configuration information is used to configure a second resource, and the second resource is used for communication between the first device and the second device.
  • the priority information is used to indicate the priority of resource allocation.
  • the lower priority device obeys the resource allocation of the higher priority device.
  • the device with the highest priority allocates resources as a whole to avoid interference and resource collisions caused by communication between any two devices on other devices.
  • the identity information indicates the resource allocation priority of the first device.
  • the device further includes: a stopping unit, configured to stop sending a broadcast message, the broadcast message containing at least one of the identity information and priority information of the second device.
  • the device further includes: a first sending unit, configured to send first information to the third device, where the first information is used to indicate that the second device is no longer the first The three devices allocate resources, or the first information is used to indicate the change of the third device resource acquisition mode.
  • a first sending unit configured to send first information to the third device, where the first information is used to indicate that the second device is no longer the first The three devices allocate resources, or the first information is used to indicate the change of the third device resource acquisition mode.
  • the broadcast message from the second device does not include the identity information and priority information of the second device, or the first information is used to indicate the termination of the communication to the third device.
  • Resource allocation is used to indicate the termination of the communication to the third device.
  • the first information includes at least one of the identity information and priority information of the first device, and/or the first information carries a mode change indication, and the mode change The indication is used to instruct the third device to obtain resource allocation information from the first device.
  • the acquiring unit is specifically configured to receive the first resource configuration information from the first device.
  • the first sending unit is further configured to send second resource configuration information to the third device, and the resource configured by the second resource configuration information is one of the second resources Partial resources; or sending the first resource configuration information to the third device.
  • the device further includes: a second sending unit, configured to send second information to the second device, the second information being used to instruct to release the connection with the second device .
  • the acquiring unit is specifically configured to acquire the first resource configuration information from the first device.
  • the device further includes: a first receiving unit, configured to receive first information from the second device, where the first information is used to indicate that the second device is no longer The third device allocates resources, or the second information is used to indicate a change of the third device's resource acquisition mode.
  • the first device includes but is not limited to a car machine;
  • the second device includes but is not limited to a mobile phone, a tablet, a car microphone or a car speaker, etc.;
  • the third device includes but is not limited to Headphones or wearable devices, etc.
  • a fifth aspect of the embodiments of the present application discloses a communication device, and the communication device includes:
  • the third sending unit is configured to send third information, where the third information includes at least one of the identity information of the first device, the first address, and the priority information of the first device, and the identity of the first device.
  • the information indicates that the first device has a resource allocation function
  • the second receiving unit is configured to receive a response message from a second device, where the response message includes identification information of the second device.
  • the priority information is used to indicate the priority of resource allocation.
  • the lower priority device obeys the resource allocation of the higher priority device.
  • the device with the highest priority allocates resources as a whole to avoid interference and resource collisions caused by communication between any two devices on other devices.
  • the third sending unit is further configured to send a connection establishment message to the second device, where the connection establishment message includes a second address, and the second address is the first The address assigned by the device to the second device.
  • the first device includes but is not limited to a mobile phone, a tablet, a car microphone or a car speaker, etc.
  • the second device includes but is not limited to a headset or a wearable device.
  • the first device includes but is not limited to a car machine
  • the second device includes but is not limited to a mobile phone, a tablet, a car microphone, a car speaker, a headset, or a wearable device.
  • a sixth aspect of the embodiments of the present application discloses a communication device, and the communication device includes:
  • a third receiving unit configured to receive a connection establishment message, where the connection establishment message includes identification information of the second device
  • the fourth sending unit is configured to send fourth information according to the connection establishment message, where the fourth information includes at least one of the identity information of the first device, the first address, and the priority information of the first device, so The identity information of the first device indicates that the first device has a resource allocation function.
  • the priority information is used to indicate the priority of resource allocation.
  • the lower priority device obeys the resource allocation of the higher priority device.
  • the device with the highest priority allocates resources as a whole to avoid interference and resource collisions caused by communication between any two devices on other devices.
  • the fourth information further includes a second address, and the second address is an address allocated by the first device to the second device.
  • the first device includes but is not limited to a mobile phone, a tablet, a car microphone or a car speaker, etc.
  • the second device includes but is not limited to a headset or a wearable device.
  • the first device includes but is not limited to a car machine
  • the second device includes but is not limited to a mobile phone, a tablet, a car microphone, a car speaker, a headset, or a wearable device.
  • a seventh aspect of the embodiments of the present application discloses a device, the device includes at least one processor, and the processor is configured to support an electronic device to implement a corresponding function in the communication method provided by the first aspect or the second aspect or the third aspect .
  • the device may also include a memory, which is used for coupling with the processor, and stores the necessary program instructions and data of the electronic device.
  • the device may also include at least one communication interface for providing information input and/or output for the at least one processor.
  • the device may be a chip or an integrated circuit inside an electronic device.
  • the device may be the electronic device itself, and when the device is the electronic device itself, the communication interface may also provide information input and/or output for the electronic device.
  • the eighth aspect of the embodiments of the present application discloses a computer-readable storage medium, including computer instructions.
  • the computer instructions run on an electronic device, the electronic device executes the first aspect or the second aspect or the first aspect of the embodiments of the present application.
  • the communication method provided by any one of the three aspects.
  • the ninth aspect of the embodiments of the present application discloses a computer program product.
  • the computer program product runs on an electronic device, the electronic device is caused to execute any one of the first aspect, the second aspect, or the third aspect of the embodiments of the present application.
  • the tenth aspect of the embodiments of the present application discloses a chip, which includes a processor, and is used to support a network device to implement the functions involved in the first aspect, the second aspect, or the third aspect, for example, to generate or process the communication.
  • the information involved in the method is involved in the method.
  • the chip further includes a memory, and the memory is used to store program instructions and data necessary for the data sending device.
  • the chip system can be composed of chips, or include chips and other discrete devices.
  • the beneficial effects of the seventh, eighth, ninth, and tenth aspects provided above can be referred to the beneficial effects of the communication methods provided by the first, second, or third aspects, here No longer.
  • Fig. 1 is an application scenario diagram of a communication method provided by an embodiment of the present application
  • FIG. 2 is a schematic flowchart of a communication method provided by an embodiment of the present application.
  • FIG. 3 is a schematic flowchart of another communication method provided by an embodiment of the present application.
  • FIG. 4 is a schematic flowchart of another communication method provided by an embodiment of the present application.
  • FIG. 5 is a schematic flowchart of another communication method provided by an embodiment of the present application.
  • FIG. 6 is a schematic flowchart of another communication method provided by an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of another communication device provided by an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of another communication device provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a chip provided by an embodiment of the present application.
  • component used in this specification are used to denote computer-related entities, hardware, firmware, a combination of hardware and software, software, or software in execution.
  • the component may be, but is not limited to, a process, a processor, an object, an executable file, an execution thread, a program, and/or a computer running on a processor.
  • the application running on the computing device and the computing device can be components.
  • One or more components may reside in processes and/or threads of execution, and components may be located on one computer and/or distributed among two or more computers.
  • these components can be executed from various computer readable media having various data structures stored thereon.
  • the component can be based on, for example, a signal having one or more data packets (e.g. data from two components interacting with another component in a local system, a distributed system, and/or a network, such as the Internet that interacts with other systems through a signal) Communicate through local and/or remote processes.
  • a signal having one or more data packets (e.g. data from two components interacting with another component in a local system, a distributed system, and/or a network, such as the Internet that interacts with other systems through a signal) Communicate through local and/or remote processes.
  • the electronic devices involved in the embodiments of this application may be vehicle devices such as car machines, car speakers, car microphones, mobile phones, tablet computers, desktops, laptops, notebook computers, Ultra-mobile Personal Computers (UMPCs). ), handheld computers, netbooks, personal digital assistants (PDAs), wearable electronic devices, virtual reality devices, etc.
  • vehicle devices such as car machines, car speakers, car microphones, mobile phones, tablet computers, desktops, laptops, notebook computers, Ultra-mobile Personal Computers (UMPCs).
  • UMPCs Ultra-mobile Personal Computers
  • handheld computers netbooks, personal digital assistants (PDAs), wearable electronic devices, virtual reality devices, etc.
  • PDAs personal digital assistants
  • CDC control domain cockpit
  • the cockpit domain controller which is also referred to as car machine in this application.
  • the functions of the car machine already have cellular communication functions (3G, 4G, etc.) and Telematics, which can be combined with the CAN-BUS technology of the car to realize the human and the car, the car and the outside world.
  • the information communication of the company enhances the user experience, service, and security-related functions.
  • Master node and slave node Two types of nodes are distinguished in logical function, namely master node and slave node. Among them, the master node manages the slave nodes, has the function of allocating resources, and is responsible for allocating resources for the slave nodes; the slave nodes listen to the master node's scheduling, and use the resources allocated by the master node to communicate with the master node. It should be noted that the attribute characteristics of the node may change. For example, when the smart terminal communicates with the headset, the smart terminal is the master node and the headset is the slave node, but when the smart terminal accesses a higher priority device (such as CDC) When obeying the CDC scheduling, the role attribute of the smart terminal is changed to the slave node at this time.
  • a higher priority device such as CDC
  • Master-slave communication pair It includes a master node device and a slave node device. The two devices are connected to each other to form a pair of master-slave communication.
  • the connected devices involved in the smart cockpit mainly include car machines (CDC), car audio and video equipment (speakers, microphones, etc.), smart terminals, such as mobile phones, and other smart wearable devices (such as earphones).
  • car machines CDC
  • car audio and video equipment microphones, etc.
  • smart terminals such as mobile phones
  • other smart wearable devices such as earphones.
  • the car machine and the car-mounted audio and video equipment are mainly connected by wire; the car machine CDC and the intelligent terminal, and the intelligent terminal and other wearable devices are mostly connected by wireless means, such as Bluetooth.
  • the CDC When the CDC is connected to the first smart terminal for communication, the CDC is the master node, the first smart terminal is the slave node, and the master node is responsible for allocating resources for the slave nodes.
  • the second smart terminal may be communicating with a smart wearable device (such as a headset).
  • the second smart terminal is the master The node, the smart wearable device connected to it is the slave node.
  • the master node allocates resources to the slave node.
  • the main problem to be solved by this application is how to coordinate the resource allocation among multiple master nodes in a short-distance space such as a cockpit, so as to avoid resource collision and interference in communication between multiple master-slave node pairs, and ensure user experience.
  • the connection establishment is realized based on the device priority information, so that high-priority devices can uniformly schedule and control resources.
  • the CDC can uniformly manage and allocate resources in the cockpit. This method can avoid communication between any two devices. Interference and resource collision caused by the communication of other devices.
  • the application scenario may be in a smart cockpit, and may include a high-priority master node device 11, a low-priority master node device 12, and a slave node device 13.
  • the high-priority master node device 11, the low-priority master node device 12, and the slave node device 13 communicate through a wireless connection (for example, Bluetooth).
  • a wireless connection for example, Bluetooth
  • the high-priority master node device 11, the low-priority master node device 12, and the slave node device 13 are all electronic devices, which may be stationary or mobile. It can be a network device or a terminal device.
  • Network equipment includes various forms of network equipment, such as servers, macro base stations, micro base stations (also called small stations), relay stations, and access points.
  • the server may include, but is not limited to, a cloud server, a background server, a component server, a data processing server, etc.
  • the server may communicate with multiple terminals via the Internet.
  • the server needs to run corresponding server-side programs to provide corresponding services, such as database services, data calculations, decision execution, and so on.
  • Terminal equipment includes communication terminals, vehicle-mounted equipment, mobile equipment, user terminals, mobile terminals, wireless communication equipment, portable terminals, user agents, user devices, service equipment or user equipment (User Equipment, UE) and other computer networks at the periphery of the network
  • the device is mainly used for data input and output or display of processing results. It can also be a software client, application, etc. installed or running on any of the above devices.
  • the terminal can be a mobile phone, a cordless phone, a smart watch, a wearable device, a tablet device, a handheld device with wireless communication function, a computing device, an in-vehicle communication module, a smart meter, or other processing devices connected to a wireless modem.
  • the high-priority master node device 11 can be a car CDC;
  • the low-priority master node device 12 can be a mobile phone, a tablet, a car microphone, a car speaker, etc.;
  • slave node device 13 It can be earphones, wearable devices, etc.
  • Different devices realize connection establishment based on the priority information of the device, so that high-priority devices can uniformly schedule and manage resources, effectively reducing the problem of mutual interference between multiple master-slave communication pairs.
  • an embodiment of the present application provides a communication method. Take the first device as the high-priority master node, the second device as the low-priority master node, and the third device as the slave node as an example. The third device successfully establishes a connection with the second device, and the second device and the third device are a master-slave communication pair.
  • three specific embodiments are used to describe in detail, when the second device and the third device enter the communication range of the first device, how the first device, the second device, and the third device perform connection updates and resources distribute.
  • Embodiment 1 The low-priority master node (the second device, such as a mobile phone) determines the priority, stops its own resource allocation function, and obeys the resource allocation of the high-priority master node (the first device, such as a vehicle).
  • Step S201 Acquire at least one of the identity information and priority information of the first device.
  • the first device sends at least one of the identity information and priority information of the first device, and when the second device enters the communication range of the first device, the second device obtains the identity information and priority information of the first device At least one of them.
  • the identity information of the first device indicates that the first device has a resource allocation function, that is, the first device can act as a master node.
  • the identity information can indicate the type of equipment (for example, a car, a mobile phone, a portable terminal, etc.), or an identity that can identify the first device as a master node.
  • resource allocation may also be referred to as resource management or resource scheduling.
  • At least one of the identity information and priority information of the first device may be included in a broadcast message sent by the first device (for example, a system broadcast message), or may be included in resource control signaling (Radio Resource Control, RRC). )middle.
  • at least one of the identity information and priority information of the first device may be sent in a broadcast manner, or may be sent in a unicast or multicast manner.
  • the identity information and priority information of the first device may be carried in a physical signal sent by the first device.
  • the physical signal may be a primary synchronization signal
  • different priority information may correspond to synchronization signals of different patterns or patterns
  • other devices may obtain or determine the priority information of the first device by receiving the synchronization signal.
  • the priority information corresponds to the pattern or pattern of the physical signal, or in other words, the priority information is indicated by the pattern or pattern of the physical signal.
  • the identity information may be indicated by the device identification code.
  • the device identification code encodes the device according to a certain encoding rule. Among them, different fields in the device identification code have different meanings, and the identity information of the device can be obtained by parsing some or all of the fields.
  • the device identification code can have 2 bits to indicate the device type, such as 00 for CDC, 01 for mobile phones, 10 for wearable devices, etc.; for example, the identity information can also be indicated by 1 bit, that is, 0 for the master node ( With resource allocation/scheduling function), 1 identifies the slave node (only listens to the master node's scheduling).
  • the identity information can be indicated by a media access layer address (Media Access Control Address, MAC address), which is similar to the device identification code, and will not be repeated here.
  • MAC address Media Access Control Address
  • the priority information is used to indicate the priority of resource allocation.
  • a device with a lower priority shall obey the resource allocation of a device with a higher priority.
  • priority information may be embodied as access priority or connection priority, that is, other devices preferentially establish connections with high-priority devices, or initiate access to high-priority devices, and the high-priority devices perform unified resource allocation. For example, when other devices face connection requests sent by multiple devices, they establish connections with the device with the highest priority among multiple devices; or when other devices initiate connection requests to multiple devices, the priority among multiple devices The highest device responds to the connection request and establishes a connection; or other devices initiate a connection request to the device with the highest priority among multiple devices.
  • the priority information may be a level identifier, which indicates the priority of the first device as the master node.
  • CDC sends the first system broadcast message, the message carries the first access priority indicator 000 (high access priority); the mobile phone sends the second system broadcast message, the message carries the second access priority indicator 001 (Low access priority), at this time, other devices preferentially send connection establishment/access requests to the CDC, and the CDC schedules resources for it.
  • the priority information may be agreed in accordance with the agreement. For example, in the agreement, it may be agreed that the CDC device has the highest priority and the mobile phone has the lower priority.
  • the second device before the second device obtains at least one of the identity information and priority information of the first device, the second device first broadcasts the connection request message.
  • the first device When the first device enters the communication range of the second device, the first device responds to the connection request message sent by the second device and sends response information to the second device.
  • the response information includes the identity information and priority information of the first device At least one of them.
  • the second device obtains at least one of the identity information and priority information of the first device.
  • the second device may obtain at least one of the identity information and priority information of the first device by receiving the system broadcast message sent by the first device.
  • the identity information may indicate the priority of resource allocation.
  • the second device obtains the identity information of the first device, it can determine the resource allocation priority of the first device through the identity information.
  • the device preferentially applies for resources from a device with a higher resource allocation priority, and the device with a higher resource allocation priority performs unified resource allocation and management.
  • the identity information of the first device may be priority information of the first device, that is, when the second device obtains the identity information of the first device, the priority of the first device can be determined through the identity information, so that It is determined whether to send a connection establishment request to the first device, and the first device schedules resources for it.
  • Step S202 Determine that the priority indicated by the priority information of the first device is higher than the priority of the second device.
  • the second device determines that the priority indicated by the priority information of the first device is higher than the priority of the second device.
  • Step S203A Send a first message and set the master node identity as the default.
  • the second device After determining that the priority indicated by the priority information of the first device is higher than the priority of the second device, the second device sets the identity information of the second device (indicating that the second device has a resource allocation function) as a default, That is, the second device no longer acts as the master node to allocate resources to other devices, and the second device obeys the resource allocation of the first device. Since the second device and the third device are a master-slave communication pair, the second device sends the first message to the third device. The first information is used to indicate that the second device no longer allocates resources to the third device, that is, the second device no longer serves as the master node of the third device.
  • the first information may include at least one of the identity information and priority information of the first device, and the first information carries a mode change indication, which indicates the change of the resource acquisition mode of the third device, according to the first information in the first information. At least one of the identity information and priority information of the device instructs the third device to obey the resource allocation of the first device and obtain the resource allocation information from the first device.
  • Step S203B The second device sends a broadcast message, broadcasting the default master node identity.
  • the second device after determining that the priority indicated by the priority information of the first device is higher than the priority of the second device, the second device sets the identity information of the second device (indicating that the second device has a resource allocation function) as a default, That is, the second device no longer acts as the master node to allocate resources to other devices, and the second device obeys the resource allocation of the first device. And the second device sends a broadcast message, which is used to broadcast to other devices declaring that the master node identity of the second device is default. After receiving the broadcast message, the third device no longer obeys the resource allocation of the second device.
  • the broadcast message from the second device does not include the identity information and priority information of the second device, that is, the second device is temporarily unable to connect to other devices as the master node.
  • Step S203C The second device stops sending the broadcast message.
  • the second device stops sending the broadcast message, and the second device obeys the resource allocation of the first device.
  • the third device cannot obtain the broadcast message of the second device, it automatically disconnects from the third device and no longer obeys the resource allocation of the second device.
  • steps S203A, S203B, and S203C are optional steps, and the order of execution is not limited.
  • Step S204 The third device establishes a connection with the first device.
  • the third device establishes a connection with the first device, obeys the resource allocation of the first device, and obtains resource allocation information from the first device.
  • the third device releases the connection with the second device and releases the resources allocated by the second device.
  • Step S205 Acquire first resource configuration information.
  • the second device obtains the first resource configuration information from the first device, the first resource configuration information is used to configure the second resource, and the second resource is used for communication between the first device and the second device;
  • the third device obtains the first resource configuration information from the first device;
  • the first device acquires first resource configuration information, the first resource configuration information is used to configure the first resource, and the first resource is used for communication between the first device and the third device.
  • the second device and the third device directly obtain resource allocation information from the first device respectively.
  • the communication data between the second device and the third device can be transferred through the first device to complete data transmission.
  • the second device before the second device obtains the configuration information with the first resource, it also includes successfully establishing a connection with the first device.
  • the core idea of the first embodiment is that within a certain range, only the master node with the highest priority is allowed to declare the master node identity; the low-priority master node (second device) recognizes the master node with higher priority. After the node (the first device), it stops its resource allocation function and informs the connected slave node device (the third device). Subsequent low-priority master nodes and slave nodes obey the resource allocation of the high-priority master node.
  • the slave node (the third device) and the low-priority master node (the second device) move out of the communication coverage of the high-priority master node (the first device)
  • the low-priority master node (the second device) If the master node with higher priority is not detected, the master node identity is restored by itself, and the third device continues to obey the resource allocation of the second device.
  • whether or not it is in the communication range may depend on whether the received signal power is greater than the preset power threshold. When it is greater than the preset power threshold, it is considered to be within the communication range, otherwise it is considered not to be within the communication range.
  • whether it is within the communication range may also depend on whether the communication rate is greater than a certain rate threshold.
  • the principle is similar to that of signal power, and will not be repeated here.
  • Embodiment 2 The low-priority master node (the second device, such as a mobile phone) judges the priority, stops its own resource allocation function, obeys the resource allocation of the high-priority master node (the first device, such as a vehicle), and forwards the slave The resources of the node (third device) are given to the third device.
  • the second device such as a mobile phone
  • step S301 and step S302 can refer to step S201 and step S202 in FIG. 2.
  • Step S303A Send the first information to indicate the change of the third device resource acquisition mode.
  • the second device After the second device determines that the priority indicated by the priority information of the first device is higher than the priority of the second device, the second device stops its own resource allocation and obeys the resource allocation of the first device. Since the second device and the third device are a master-slave communication pair, the slave node (third device) connected to the second device also obeys the resource allocation of the first device. Then the second device sends the first message to the third device.
  • the first information is used to indicate the change of the resource acquisition mode of the third device, that is, the second device no longer serves as the master node of the third device to allocate resources to the third device, and the resources of the third device are not allocated by the second device .
  • the first information may include at least one of the identity information and priority information of the first device, and the first information carries a mode change indication, which indicates the change of the resource acquisition mode of the third device, according to the first information in the first information.
  • At least one of the identity information and priority information of the device indicates that the third device obeys the resource allocation of the first device, and the second device replaces its slave node (third device) to apply for resources from the first device and forwards it to the third device.
  • the first information may include at least one of the identity information and priority information of the first device, and the first information carries a mode change indication, which indicates the change of the resource acquisition mode of the third device, according to the first information in the first information.
  • At least one of the identity information and priority information of the device indicates that the third device obeys the resource allocation of the first device, and the second device replaces its slave node (third device) to apply for resources from the first device and forwards it to the third device.
  • the second device replaces its slave node (third device) to apply for
  • Step S303B Send a broadcast message to instruct the third device to change the resource acquisition mode.
  • the second device After the second device determines that the priority indicated by the priority information of the first device is higher than the priority of the second device, the second device stops its own resource allocation and obeys the resource allocation of the first device. Since the second device and the third device are a master-slave communication pair, the slave node (third device) connected to the second device also obeys the resource allocation of the first device. Then the second device sends a broadcast message to the third device, and the broadcast message is used to broadcast to other devices announcing the change of the slave node resource acquisition mode of the second device. After receiving the broadcast message, the third device releases all resources previously allocated by the second device.
  • the broadcast message from the second device may contain the identity information and priority information of the second device, that is, the second device can be used as the master node to connect to other devices, but it needs to apply for resources from the first device and forward it to the slave node.
  • steps S303A and S303B are optional steps, and the order of execution is not limited.
  • Step S304 The third device releases the connection resource with the second device.
  • the third device releases all the resources previously allocated by the second device, and reacquires the resource allocation information allocated by the first device from the second device.
  • step S304 is an optional step.
  • Step S305 Acquire first resource configuration information.
  • the second device obtains first resource configuration information from the first device, the first resource configuration information is used to configure the second resource, and the second resource is used for communication between the first device and the second device; the first resource configuration The information may also be used to configure the first resource, and the first resource is used for communication between the first device and the third device.
  • the second device sends to the first device data information indicating the slave nodes connected to the second device, the data information including the number of slave nodes connected to the second device, the device type of the slave node, and the identity of the slave node Information and the amount of data from the node, etc.
  • the first device allocates a corresponding resource to each node, and sends it to the second device.
  • the second device before the second device obtains the configuration information with the first resource, it also includes successfully establishing a connection with the first device.
  • Step S306 Send second resource configuration information.
  • the second device after receiving the first resource configuration information, the second device sends the second resource configuration information to the third device.
  • the second resource configuration information is the resource allocated by the first device to the third device.
  • the first resource configuration information is used to configure the second resource, and the resource configured by the second resource configuration information is a part of the second resource.
  • the second device forwards or transparently transmits the first resource configuration information to the third device.
  • the first resource configuration information is used to configure the first resource, and the second device directly forwards the first resource configuration information (the second resource configuration information is the same as the first resource configuration information).
  • the core idea of the second embodiment is that within a certain range, master nodes with different priorities are allowed to declare the identity of the master node at the same time; the master node with lower priority (second device) recognizes the master node with higher priority After (first device), stop its resource allocation function, and notify the connected slave node device (third device). Subsequent low-priority master nodes replace the slave nodes to apply for resources from the high-priority master nodes and send them to the slave nodes.
  • the slave node (the third device) and the low-priority master node (the second device) move out of the communication coverage of the high-priority master node (the first device)
  • the low-priority master node (the second device) If the master node with higher priority is not detected, the master node identity is restored by itself, and the third device continues to obey the resource allocation of the second device.
  • whether or not it is in the communication range may depend on whether the received signal power is greater than the preset power threshold. When it is greater than the preset power threshold, it is considered to be within the communication range, otherwise it is considered not to be within the communication range.
  • whether it is within the communication range may also depend on whether the communication rate is greater than a certain rate threshold.
  • the principle is similar to that of signal power, and will not be repeated here.
  • Embodiment 3 The slave node (the third device) judges the priority, stops obeying the resource allocation of the low-priority master node (second device), and obeys the resource allocation of the high-priority master node (the first device, for example, car machine).
  • Step S401 Acquire at least one of the identity information and priority information of the first device.
  • the first device broadcasts at least one of the identity information and priority information of the first device.
  • the third device obtains the identity information and priority information of the first device.
  • the identity information of the first device indicates that the first device has a resource allocation function, that is, the first device can act as a master node.
  • the identity information can indicate the type of equipment (for example, a car, a mobile phone, a portable terminal, etc.), or an identity that can identify the first device as a master node.
  • resource allocation may also be referred to as resource management or resource scheduling.
  • At least one of the identity information and priority information of the first device may be included in a broadcast message sent by the first device (for example, a system broadcast message), or may be included in resource control signaling (Radio Resource Control, RRC). )middle.
  • at least one of the identity information and priority information of the first device may be sent in a broadcast manner, or may be sent in a unicast or multicast manner.
  • the identity information and priority information of the first device may be carried in a physical signal sent by the first device.
  • the physical signal may be a primary synchronization signal
  • different priority information may correspond to synchronization signals of different patterns or patterns
  • other devices may obtain or determine the priority information of the first device by receiving the synchronization signal.
  • the identity information may be indicated by the device identification code.
  • the device identification code encodes the device according to a certain encoding rule. Among them, different fields in the device identification code have different meanings, and the identity information of the device can be obtained by parsing some or all of the fields.
  • the device identification code can have 2 bits to indicate the device type, such as 00 for CDC, 01 for mobile phones, 10 for wearable devices, etc.; for example, the identity information can also be indicated by 1 bit, that is, 0 for the master node ( With resource allocation/scheduling function), 1 identifies the slave node (only listens to the master node's scheduling).
  • the identity information can be indicated by a media access layer address (Media Access Control Address, MAC address), which is similar to the device identification code, and will not be repeated here.
  • MAC address Media Access Control Address
  • the priority information is used to indicate the priority of resource allocation.
  • a device with a lower priority shall obey the resource allocation of a device with a higher priority.
  • priority information may also be embodied as access priority or connection priority, that is, other devices preferentially establish connections with high-priority devices, or initiate access to high-priority devices, and the high-priority devices perform unified resource allocation. For example, when other devices face connection requests sent by multiple devices, they establish connections with the device with the highest priority among multiple devices; or when other devices initiate connection requests to multiple devices, the priority among multiple devices The highest device responds to the connection request and establishes a connection; or other devices initiate a connection request to the device with the highest priority among multiple devices.
  • the priority information may be a level identifier, which indicates the priority of the first device as the master node.
  • the CDC sends the first system broadcast message, which carries the first access priority indication, 000 (high access priority); the mobile phone sends the second system broadcast message, and the message carries the second access priority indication 001 (low access priority), then other devices preferentially send connection establishment/access requests to the CDC at this time, and the CDC will schedule resources for it.
  • the priority information may be agreed in accordance with the agreement. For example, in the agreement, it may be agreed that the CDC device has the highest priority and the mobile phone has the lower priority.
  • the third device before the third device acquires at least one of the identity information and priority information of the first device, the third device first broadcasts the connection request message.
  • the first device When the first device enters the communication range of the third device, the first device responds to the connection request message sent by the third device and sends response information to the third device.
  • the response information includes the identity information and priority information of the first device At least one of them.
  • the third device obtains at least one of the identity information and priority information of the first device.
  • the third device may obtain at least one of the identity information and priority information of the first device by receiving the system broadcast message sent by the first device.
  • the identity information of the first device may indicate the resource allocation priority of the first device.
  • the third device obtains the identity information of the first device, it can determine the resource allocation priority of the first device through the identity information.
  • the device applies for resources from a device with a higher resource allocation priority, and the device with a higher resource allocation priority performs unified resource allocation and management.
  • the identity information of the first device may be priority information of the first device, that is, when the third device obtains the identity information of the first device, the priority of the first device may be determined through the identity information, thereby It is determined whether to send a connection establishment request to the first device, and the first device schedules resources for it.
  • Step S402 Determine that the priority indicated by the priority information of the first device is higher than the priority of the second device.
  • the third device determines that the priority indicated by the priority information of the first device is higher than the priority of the second device.
  • Step S403 The third device establishes a connection with the first device.
  • the third device establishes a connection with the first device after determining that the priority indicated by the priority information of the first device is higher than the priority of the second device. That is, the third device obeys the resource allocation of the first device.
  • the third device releases the connection with the second device, that is, the second device no longer acts as the master node to allocate resources to the third device.
  • releasing the connection with the second device may not require receiving a response message from the second device.
  • Step S404 Send second information to instruct the second resource to stop resource allocation.
  • the second device can send the second information to the third device.
  • the second information is used to indicate that the second device no longer allocates resources to the third device, that is, the second device no longer serves as the master node of the third device.
  • the second information may be a disconnection request message.
  • the first information may include at least one of the identity information and priority information of the first device, indicating that the second device obeys the resource allocation of the first device, and obtains the resource allocation information from the first device.
  • step S404 is an optional step.
  • Step S405 Acquire first resource configuration information.
  • the third device obtains first resource configuration information from the first device, the first resource configuration information is used to configure the first resource, and the first resource is used for communication between the first device and the third device;
  • the first device obtains first resource configuration information, the first resource configuration information is used to configure a second resource, and the second resource is used for communication between the first device and the second device.
  • the second device and the third device directly obtain resource allocation information from the first device respectively.
  • the communication data between the second device and the third device can be transferred through the first device to complete data transmission.
  • the second device before the second device obtains the configuration information with the first resource, it also includes successfully establishing a connection with the first device.
  • the core idea of the third embodiment is that within a certain range, master nodes with different priorities are allowed to declare the identity of the master node at the same time; the slave node (the third device) recognizes the master node with higher priority (the first After the device), stop obeying the resource allocation of the low-priority master node (second device) and notify it. Subsequent low-priority master nodes and slave nodes obey the resource allocation of the high-priority master node.
  • the slave node (third device) and the low-priority master node (second device) move out of the communication coverage of the high-priority master node (first device)
  • the slave node (third device) cannot detect With a higher priority master node, the second device becomes the master node with the highest priority, and the third device continues to obey the resource allocation of the second device.
  • connection change and resource allocation process specifically implements the connection change and resource allocation process, determine a device with the highest priority based on priority information, and perform coordinated and unified allocation of resources, avoiding interference and ensuring service quality.
  • Manner 1 With the first device as the execution subject, the first device actively initiates a connection request to connect with the second device. As shown in Figure 5, the method includes but is not limited to the following steps:
  • Step S501 The first device sends third information.
  • the first device sends the third information
  • the third information may be sent by means of broadcast, multicast, or the like. Used to indicate the connection request of the first device.
  • the third information may include at least one of the identity information of the first device, the priority information of the first device, and the first address.
  • the identity information of the first device is used to characterize that the first device has the function of resource allocation, and the identity information may specifically be the device type of the first device (for example, CDC, mobile phone, portable terminal, etc.), or it may be other characters that can characterize the first device.
  • the device is the identification of the master node. It can be understood that resource allocation may also be referred to as resource management or resource scheduling.
  • the first device may periodically broadcast and send the third information on the broadcast channel; it may also broadcast the third information by randomly selecting resources on the broadcast channel.
  • the identity information and priority information can be pre-configured at the factory according to the device attributes.
  • At least one of the identity information and priority information of the first device may be included in a broadcast message sent by the first device (for example, a system broadcast message), or may be included in a resource control signaling (Radio Resource). Control, RRC).
  • a broadcast message sent by the first device for example, a system broadcast message
  • RRC resource control signaling
  • at least one of the identity information and priority information of the first device may be sent in a broadcast manner, or may be sent in a unicast or multicast manner.
  • the identity information and priority information of the first device may be carried in a physical signal sent by the first device.
  • the physical signal may be a primary synchronization signal
  • different priority information may correspond to synchronization signals of different patterns or patterns
  • other devices may obtain or determine the priority information of the first device by receiving the synchronization signal.
  • the identity information can be indicated by the device identification code.
  • the device identification code encodes the device according to a certain encoding rule. Among them, different fields in the device identification code have different meanings, and the identity information of the device can be obtained by parsing some or all of the fields.
  • the device identification code can have 2 bits to indicate the device type, such as 00 for CDC, 01 for mobile phones, 10 for wearable devices, etc.; for example, the identity information can also be indicated by 1 bit, that is, 0 for the master node ( With resource allocation/scheduling function), 1 identifies the slave node (only listens to the master node's scheduling).
  • the identity information can be indicated by a media access layer address (Media Access Control Address, MAC address), which is similar to the device identification code, and will not be repeated here.
  • MAC address Media Access Control Address
  • the priority information is used to indicate the priority of resource allocation.
  • a device with a lower priority shall obey the resource allocation of a device with a higher priority.
  • priority information may also be embodied as access priority or connection priority, that is, other devices preferentially establish connections with high-priority devices, or initiate access to high-priority devices, and the high-priority devices perform unified resource allocation. For example, when other devices face connection requests sent by multiple devices, they establish connections with the device with the highest priority among multiple devices; or when other devices initiate connection requests to multiple devices, the priority among multiple devices The highest device responds to the connection request and establishes a connection; or other devices initiate a connection request to the device with the highest priority among multiple devices.
  • the priority information may be a level identifier, which indicates the priority of the first device as the master node.
  • the CDC sends the first system broadcast message, which carries the first access priority indication, 000 (high access priority); the mobile phone sends the second system broadcast message, and the message carries the second access priority indication 001 (low access priority), then other devices preferentially send connection establishment/access requests to the CDC at this time, and the CDC will schedule resources for it.
  • the priority information may be agreed in accordance with the agreement. For example, in the agreement, it may be agreed that the CDC device has the highest priority and the mobile phone has the lower priority.
  • the identity information of the first device may indicate the resource allocation priority of the first device.
  • the second device obtains the identity information of the first device, it can determine the resource allocation priority of the first device through the identity information.
  • the device applies for resources from a device with a higher resource allocation priority, and the device with a higher resource allocation priority performs unified resource allocation and management.
  • the identity information of the first device may be priority information of the first device, that is, when the third device obtains the identity information of the first device, the priority of the first device may be determined through the identity information, thereby It is determined whether to send a connection establishment request to the first device, and the first device schedules resources for it.
  • the first address may indicate the resource allocation priority of the first device.
  • the first address can be used to determine the resource allocation priority of the first device.
  • the first address is information sent by the CDC; at this time, through the first address, the second device can know that the first device has a resource allocation function, and the resource allocation priority is the highest.
  • the first address is a media access layer address.
  • the third information may also include the device ID of the first device, and the device ID of the first device may uniquely indicate the first device, for example, it may be the hardware address of the first device; other devices may Communicate with the first device through the device ID.
  • the device ID may indicate the resource allocation priority of the first device. When the second device obtains the device ID of the first device, the device ID can be used to determine the resource allocation priority of the first device.
  • Step S502 The second device sends a response message.
  • the second device receives the third information.
  • the second device sends a response message to the first device, the response message containing identification information of the second device (for example, the device ID of the second device).
  • the trigger mode for sending the response message by the second device includes manual trigger and automatic trigger.
  • Manual triggering includes click, touch, voice, gesture, hover touch and other methods.
  • the manual trigger may be the initial response to the connection establishment of the first device, after the second device receives the third information sent by the first device, it sends a response message according to the user's manual trigger.
  • Automatic triggering can be that after the second device and the first device establish a connection for the first time, they store each other’s device ID or other identity that can uniquely identify the other; subsequently, when the second device again receives the third information sent by the first device If it is recognized that the identity of the first device is the same as the stored identity, a response message will be automatically sent to the first device according to the third information.
  • Step S503 The first device sends connection establishment information.
  • the first device after receiving the response message from the second device, the first device sends a connection establishment message to the second device.
  • the connection establishment message includes a second address, which is an address allocated by the first device to the second device, used for communication between the first device and the second device, and resources allocated by the first device to the second device (For example, time-frequency resources).
  • the resources allocated by the first device to the second device may be dynamically scheduled resources or semi-statically scheduled resources.
  • the second address is a short address allocated by the first device.
  • the achievable method includes that the first device (master node) addresses the second device (slave node) in the MAC PDU subheader, and carries resource allocation information and communication data information to send to the second device.
  • the short address may also be a physical layer short address; the physical layer may filter the received physical layer data according to the short address.
  • Step S504 The second device sends a connection establishment complete message.
  • the second device after receiving the connection establishment message sent by the first device, the second device sends a connection establishment complete message to the first device to assist the first device (master node) to determine whether the connection establishment is successful.
  • the first device receives the connection establishment complete message, it determines that the connection with the second device is successfully established.
  • the first device receives the connection establishment completion message before the preset time, it is determined that the connection establishment with the second device is successful; if the first device does not receive the connection establishment completion message within the preset time , It is judged that the connection establishment with the second device has failed, and a new connection can be initiated again.
  • step S504 is an optional step.
  • the first device actively sends the third information, and connects with the second device after receiving the response from the second device.
  • the first device is sending the third device.
  • the information declares the identity of the master node and the priority of the master node, and the slave node device (the second device, including headsets, wearable devices, etc.) establishes a connection with the master node device (the first device), and obtains it from the master node after the connection is established Resource allocation information, data transmission with the master node.
  • connection establishment is realized based on the device priority information, which facilitates the unified scheduling and management of resources for high-priority devices when the master-slave node accesses a complex environment, and solves the problem of resource interference between multiple master-slave communication pairs.
  • Manner 2 With the second device as the execution subject, the second device actively initiates a connection request to connect with the first device. As shown in Figure 6, the method includes but is not limited to the following steps:
  • Step S601 The second device sends a connection establishment message.
  • the second device sends a connection establishment message.
  • the connection establishment message may be sent through broadcast, multicast, or the like.
  • the connection establishment message includes the identification information of the second device (for example, the device ID of the second device) and the default information including the identity of the master node, which is used to indicate the connection request of the second device.
  • Step S602 The first device sends fourth information.
  • the first device receives the connection establishment message sent by the second device, and sends the fourth message to the second device.
  • the fourth information includes at least one of the identity information of the first device, the first address, and the priority information of the first device.
  • the identity information of the first device is used to characterize that the first device has the function of resource allocation, and the identity information may specifically be the device type of the first device (for example, CDC, mobile phone, portable terminal, etc.), or it may be other characters that can characterize the first device.
  • the device is the identification of the master node. It can be understood that resource allocation may also be referred to as resource management or resource scheduling.
  • the trigger mode for sending the fourth information by the first device includes manual trigger and automatic trigger.
  • Manual triggering includes click, touch, voice, gesture, hover touch and other methods.
  • the manual trigger may be that when the connection with the second device is established for the first time, after the first device receives the connection establishment message sent by the second device, it sends the fourth message according to the user's manual trigger.
  • Automatic triggering can be that after the second device and the first device establish a connection for the first time, they store each other’s device ID or other identity that can uniquely identify each other; subsequently, when the first device again receives the connection establishment message sent by the second device , It is recognized that the identity of the second device is the same as the stored identity, and the fourth information is automatically sent to the second device according to the connection establishment message.
  • At least one of the identity information and priority information of the first device may be included in a broadcast message sent by the first device (for example, a system broadcast message), or may be included in a resource control signaling (Radio Resource Control, RRC).
  • RRC Radio Resource Control
  • at least one of the identity information and priority information of the first device may be sent in a broadcast manner, or may be sent in a unicast or multicast manner.
  • the identity information and priority information of the first device may be carried in a physical signal sent by the first device.
  • the physical signal may be a primary synchronization signal
  • different priority information may correspond to synchronization signals of different patterns or patterns
  • other devices may obtain or determine the priority information of the first device by receiving the synchronization signal.
  • the identity information may be indicated by the device identification code.
  • the device identification code encodes the device according to a certain encoding rule. Among them, different fields in the device identification code have different meanings, and the identity information of the device can be obtained by parsing some or all of the fields.
  • the device identification code can have 2 bits to indicate the device type, such as 00 for CDC, 01 for mobile phones, 10 for wearable devices, etc.; for example, the identity information can also be indicated by 1 bit, that is, 0 for the master node ( With resource allocation/scheduling function), 1 identifies the slave node (only listens to the master node's scheduling).
  • the identity information can be indicated by a media access layer address (Media Access Control Address, MAC address), which is similar to the device identification code, and will not be repeated here.
  • MAC address Media Access Control Address
  • the priority information is used to indicate the priority of resource allocation.
  • a device with a lower priority shall obey the resource allocation of a device with a higher priority.
  • priority information may also be embodied as access priority or connection priority, that is, other devices preferentially establish connections with high-priority devices, or initiate access to high-priority devices, and the high-priority devices perform unified resource allocation. For example, when other devices face connection requests sent by multiple devices, they establish connections with the device with the highest priority among multiple devices; or when other devices initiate connection requests to multiple devices, the priority among multiple devices The highest device responds to the connection request and establishes a connection; or other devices initiate a connection request to the device with the highest priority among multiple devices.
  • the priority information may be a level identifier, which indicates the priority of the first device as the master node.
  • the CDC sends the first system broadcast message, which carries the first access priority indication, 000 (high access priority); the mobile phone sends the second system broadcast message, and the message carries the second access priority indication 001 (low access priority), then other devices preferentially send connection establishment/access requests to the CDC at this time, and the CDC will schedule resources for it.
  • the priority information may be agreed in accordance with the agreement. For example, in the agreement, it may be agreed that the CDC device has the highest priority and the mobile phone has the lower priority.
  • the identity information of the first device may indicate the resource allocation priority of the first device.
  • the second device obtains the identity information of the first device, it can determine the resource allocation priority of the first device through the identity information.
  • the device applies for resources from a device with a higher resource allocation priority, and the device with a higher resource allocation priority performs unified resource allocation and management.
  • the identity information of the first device may be priority information of the first device, that is, when the third device obtains the identity information of the first device, the priority of the first device may be determined through the identity information, so that It is determined whether to send a connection establishment request to the first device, and the first device schedules resources for it.
  • the first address may indicate the resource allocation priority of the first device.
  • the first address can be used to determine the resource allocation priority of the first device.
  • the first address is information sent by the CDC; at this time, through the first address, the second device can know that the first device has a resource allocation function, and the resource allocation priority is the highest.
  • the first address is a media access layer address.
  • the fourth information may further include a second address
  • the second address is a short address allocated by the first device to the second device, and is used for communication between the first device and the second device.
  • the subsequent resource allocation for example, time-frequency resources
  • the achievable method includes that the first device (master node) addresses the second device (slave node) in the MAC PDU subheader, and carries resource allocation information and communication data information to send to the second device.
  • the short address may also be a physical layer short address; the physical layer may filter the received physical layer data according to the short address.
  • the fourth information may also include the device ID of the first device and the device ID of the second device.
  • the device ID of the first device may uniquely indicate the first device, for example, it may be the hardware address of the first device;
  • the device ID of can uniquely indicate the second device, for example, it can be the hardware address of the second device; the second device can communicate with the first device through the hardware address.
  • Step S603 The second device sends a connection establishment complete message.
  • the second device after receiving the fourth information sent by the first device, the second device sends a connection establishment complete message to the first device to assist the first device (master node) to determine whether the connection establishment is successful.
  • the first device receives the connection establishment complete message, it determines that the connection with the second device is successfully established.
  • the first device receives the connection establishment completion message before the preset time, it is determined that the connection establishment with the second device is successful; if the first device does not receive the connection establishment completion message within the preset time , It is judged that the connection establishment with the second device has failed, and a new connection can be initiated again.
  • step S603 is an optional step.
  • the second device actively sends a connection establishment message, and after receiving the connection establishment message, the first device sends fourth information to the second device to connect with the second device.
  • the first device is sending the fourth device.
  • the information declares the identity of the master node and the priority of the master node, and the slave node device (the second device, including headsets, wearable devices, etc.) establishes a connection with the master node device (the first device), and obtains it from the master node after the connection is established Resource allocation information, configure communication resources according to the resource allocation information, and perform data transmission with the master node.
  • the connection establishment is realized based on the device priority information, which facilitates the unified scheduling and management of resources for high-priority devices when the master-slave node accesses a complex environment, and solves the problem of resource interference between multiple master-slave communication pairs.
  • connection modes provided above are two exemplary connection modes, and the connection between two electronic devices in practical applications is not limited to the above two connection modes.
  • the first device and the second device can simultaneously declare the identity of the master node.
  • the third device establishes a connection with the first device by comparing the priority information or identity information of the first device and the second device.
  • the second device recognizes the existence of the first device and no longer Declare your own master node identity.
  • the third device receives the priority information or identity information of the first device, and establishes a connection with the first device.
  • FIG. 7 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • the communication device may include an obtaining unit 701 and a determining unit 702. Further optionally, the communication device may further include a stopping unit 703, a first sending unit 704, a second sending unit 705, and a first receiving unit 706.
  • the detailed description of each unit is as follows.
  • the obtaining unit 701 is configured to obtain at least one of identity information and priority information of a first device, where the identity information of the first device indicates that the first device has a resource allocation function;
  • the determining unit 702 is configured to determine that the priority indicated by the priority information of the first device is higher than the priority of the second device;
  • the obtaining unit 701 is further configured to obtain first resource configuration information, where the first resource configuration information is used to configure a first resource, and the first resource is used for communication between the first device and the third device Or, the first resource configuration information is used to configure a second resource, and the second resource is used for communication between the first device and the second device.
  • the priority information is used to indicate the priority of resource allocation.
  • the identity information indicates the resource allocation priority of the first device.
  • the device further includes: a stopping unit 703, configured to stop sending a broadcast message, the broadcast message containing at least one of the identity information and priority information of the second device.
  • the device further includes: a first sending unit 704, configured to send first information to the third device, where the first information is used to indicate that the second device is not the first The three devices allocate resources, or the first information is used to indicate the change of the third device resource acquisition mode.
  • a first sending unit 704 configured to send first information to the third device, where the first information is used to indicate that the second device is not the first The three devices allocate resources, or the first information is used to indicate the change of the third device resource acquisition mode.
  • the broadcast message from the second device does not include the identity information and priority information of the second device, or the first information is used to indicate the termination of the communication to the third device.
  • Resource allocation is used to indicate the termination of the communication to the third device.
  • the first information includes at least one of the identity information and priority information of the first device, and/or the first information carries a mode change indication, and the mode change The indication is used to instruct the third device to obtain resource allocation information from the first device.
  • the acquiring unit 701 is specifically configured to receive the first resource configuration information from the first device.
  • the first sending unit 704 is further configured to send second resource configuration information to the third device, and the resource configured by the second resource configuration information is in the second resource Part of the resources; or sending the first resource configuration information to the third device.
  • the device further includes: a second sending unit 705, configured to send second information to the second device, where the second information is used to instruct to release the communication with the second device connect.
  • the obtaining unit 701 is specifically configured to obtain the first resource configuration information from the first device, the first resource configuration information is used to configure the first resource, and the first resource configuration information is used to configure the first resource.
  • a resource is used for communication between the first device and the third device.
  • the device further includes: a first receiving unit 706, configured to receive first information from the second device, where the first information is used to indicate that the second device is not The third device allocates resources, or the second information is used to indicate a change of the third device's resource acquisition mode.
  • each unit may also correspond to the corresponding description of the steps in the method embodiment shown in FIG. 2 or FIG. 3 or FIG. 4, which will not be repeated here.
  • the above-mentioned first and second sending units may only be a logical distinction based on functions, and it is not limited that there must be two independent sending units. In a specific implementation, there may be one sending unit, or there may be multiple sending units.
  • FIG. 8 is a schematic structural diagram of another communication device provided by an embodiment of the present application.
  • the communication device may include a third sending unit 801 and a second receiving unit 802.
  • the detailed description of each unit is as follows.
  • the third sending unit 801 is configured to send third information.
  • the third information includes at least one of the identity information of the first device, the first address, and the priority information of the first device.
  • the identity information indicates that the first device has a resource allocation function; the priority information is used to indicate the priority of resource allocation;
  • the second receiving unit 802 is configured to receive a response message from a second device, where the response message includes identification information of the second device.
  • the priority information is used to indicate the priority of resource allocation.
  • the third sending unit 801 is further configured to send a connection establishment message to the second device, where the connection establishment message includes a second address, and the second address is the first An address assigned by a device to the second device.
  • each unit can also correspond to the corresponding description of the steps in the method embodiment shown in FIG. 5, which will not be repeated here.
  • FIG. 9 is a schematic structural diagram of another communication device provided by an embodiment of the present application.
  • the communication device may include a third receiving unit 901 and a fourth sending unit 902, wherein the detailed description of each unit is as follows.
  • the third receiving unit 901 is configured to receive a connection establishment message, where the connection establishment message includes identification information of the second device;
  • the fourth sending unit 902 is configured to send fourth information according to the connection establishment message, where the fourth information includes at least one of the identity information of the first device, the first address, and the priority information of the first device,
  • the identity information of the first device indicates that the first device has a resource allocation function;
  • the priority information is used to indicate the priority of resource allocation.
  • the fourth information further includes a second address, and the second address is an address allocated by the first device to the second device.
  • each unit may also correspond to the corresponding description of the steps in the method embodiment shown in FIG. 6, which will not be repeated here.
  • FIG. 10 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • the electronic device 100 includes at least one processor 1001 and at least one communication interface 1003. Optionally, it may also include at least one memory. 1002. In addition, the device may also include general components such as antennas, which will not be described in detail here.
  • the processor 1001 may be a general-purpose central processing unit (CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more integrated circuits for controlling the execution of the above program programs.
  • CPU central processing unit
  • ASIC application-specific integrated circuit
  • the electronic device includes a communication interface 1003, and the communication interface is used to communicate with other devices or communication networks, such as Ethernet, radio access network (RAN), core network, wireless local area networks (WLAN), etc. .
  • RAN radio access network
  • WLAN wireless local area networks
  • the memory can be a read-only memory (read-only memory, ROM) or other types of static storage devices that can store static information and instructions, such as random access memory, RAM) or other types of dynamic storage devices that can store information and instructions. It can also be Electrically Erasable Programmable Read-Only Memory (EEPROM), Compact Disc Read-Only Memory, CD-ROM) or other optical disc storage, optical disc storage (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or can be used to carry or store instructions or data
  • EEPROM Electrically Erasable Programmable Read-Only Memory
  • CD-ROM Compact Disc Read-Only Memory
  • optical disc storage including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.
  • magnetic disk storage media or other magnetic storage devices, or can be used to carry or store instructions or data
  • the desired program code in the structural form and any other medium that can be accessed by the
  • the memory 1002 is used to store application program codes for executing the above solutions, and the processor 1001 controls the execution.
  • the processor 1001 is configured to execute application program codes stored in the memory 1002.
  • the code stored in the memory 1002 can be used to execute the communication methods provided in Figures 2 to 6 above, such as determining that the priority indicated by the priority information of the first device is higher than the priority of the second device; acquiring first resource configuration information , The first resource configuration information is used to configure a first resource, the first resource is used for communication between the first device and a third device, or the first resource configuration information is used to configure a second resource Resource, the second resource is used for communication between the first device and the second device.
  • the electronic device 100 may be the first device, the second device, or the third device in the communication methods provided in FIGS. 2-6. It can also be a car machine, a central controller or a control node in the vehicle.
  • the electronic device 100 may also be a chip or an integrated circuit.
  • the electronic device 100 can also be integrated into a vehicle-mounted central controller or an MDC controller.
  • An embodiment of the present application also provides a vehicle on which the above-mentioned electronic device is installed. Further optionally, the vehicle includes the first device.
  • an embodiment of the present application also provides a chip 1100, which includes one or more processors 1101 and an interface circuit 1102.
  • the chip 1100 may further include a bus 1103. in:
  • the processor 1101 may be an integrated circuit chip with signal processing capabilities. In the implementation process, the steps of the foregoing method can be completed by an integrated logic circuit of hardware in the processor 1101 or instructions in the form of software.
  • the above-mentioned processor 1101 may be a general-purpose processor, a digital communicator (DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component .
  • DSP digital communicator
  • ASIC application specific integrated circuit
  • FPGA off-the-shelf programmable gate array
  • the methods and steps disclosed in the embodiments of the present application can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the interface circuit 1102 can complete the sending or receiving of data, instructions or information.
  • the processor 1101 can use the data, instructions or other information received by the interface circuit 1102 to perform processing, and can send processing completion information through the interface circuit 1102.
  • the chip further includes a memory.
  • the memory may include a read-only memory and a random access memory, and provides operation instructions and data to the processor.
  • a part of the memory may also include non-volatile random access memory (NVRAM).
  • NVRAM non-volatile random access memory
  • the memory stores executable software modules or data structures
  • the processor can execute corresponding operations by calling operation instructions stored in the memory (the operation instructions may be stored in the operating system).
  • the chip may be used in the electronic device or network device involved in the embodiment of the present application.
  • the interface circuit 1102 may be used to output the execution result of the processor 1101.
  • processor 1101 and the interface circuit 1102 may be implemented through hardware design, may also be implemented through software design, or may be implemented through a combination of software and hardware, which is not limited here.
  • each network element such as an electronic device, a processor, etc.
  • each network element includes a hardware structure and/or software module corresponding to each function.
  • this application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed by hardware or computer software-driven hardware depends on the specific application and design constraint conditions of the technical solution. Professionals and technicians can use different methods for each specific application to implement the described functions, but such implementation should not be considered beyond the scope of this application.
  • the embodiments of the present application can divide the functional modules of electronic equipment, camera equipment, etc. according to the above method examples.
  • each functional module can be divided corresponding to each function, or two or more functions can be integrated into one processing module.
  • the above-mentioned integrated modules can be implemented in the form of hardware or software functional modules. It should be noted that the division of modules in the embodiments of the present application is illustrative, and is only a logical function division, and there may be other division methods in actual implementation.
  • the embodiment of the present application also provides a computer-readable storage medium. All or part of the processes in the foregoing method embodiments may be completed by a computer program instructing relevant hardware.
  • the program may be stored in the foregoing computer storage medium. When the program is executed, it may include the processes of the foregoing method embodiments.
  • the computer-readable storage medium includes: read-only memory (ROM) or random access memory (RAM), magnetic disks or optical disks and other media that can store program codes.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
  • the computer instructions may be stored in a computer-readable storage medium or transmitted through the computer-readable storage medium.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or data center integrated with one or more available media.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk (SSD)).
  • the modules in the device of the embodiment of the present application may be combined, divided, and deleted according to actual needs.

Abstract

La présente invention porte, dans des modes de réalisation, sur un procédé de communication et sur un appareil associé, applicables au domaine des dispositifs embarqués, et, en particulier, à une communication à courte portée dans un domaine de poste de pilotage. Au moyen des modes de réalisation de la présente invention, un dispositif électronique acquiert des informations d'identité et/ou des informations de priorité d'un premier appareil et, lors de la détermination que la priorité du premier appareil est plus élevée que la priorité d'un deuxième appareil, le dispositif électronique acquiert des premières informations de configuration de ressource, des ressources configurées par les premières informations de configuration de ressource étant attribuées par le premier appareil et pouvant être utilisées pour une communication entre le premier appareil et un troisième appareil, ou pour une communication entre le premier appareil et le deuxième appareil. De cette manière, un dispositif ayant la priorité la plus élevée est déterminé au moyen de la priorité de dispositifs de sorte à effectuer une planification et une attribution globales de ressources et le dispositif ayant la priorité la plus élevée peut effectuer une gestion et une attribution uniformes de ressources de communication, évitant une interférence et une collision de ressources provoquées par une communication entre deux dispositifs quelconques sur d'autres dispositifs.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114640474A (zh) * 2022-05-19 2022-06-17 润芯微科技(江苏)有限公司 一种汽车分离式座舱安全认证与加密方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI786669B (zh) * 2020-06-12 2022-12-11 新加坡商聯發科技（新加坡）私人有限公司 用於多（子）系統共享幀配置的方法及裝置
JP7438473B1 (ja) 2022-04-05 2024-02-26 三菱電機株式会社 リソース管理装置、列車無線システム、通信制御方法、制御回路、および、記憶媒体

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160345360A1 (en) * 2015-05-22 2016-11-24 Qualcomm Incorporated Clear channel assessment procedure at master and slave devices
CN106507500A (zh) * 2015-09-07 2017-03-15 中兴通讯股份有限公司 车联网的通信方法及装置
CN108601007A (zh) * 2018-04-28 2018-09-28 上海与德科技有限公司 蓝牙网络及其组网方法、主设备、从设备
CN108881990A (zh) * 2018-06-25 2018-11-23 努比亚技术有限公司 音频播放方法、终端及计算机存储介质
CN109040184A (zh) * 2018-06-28 2018-12-18 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） 一种主节点的选举方法及服务器
US20190373633A1 (en) * 2018-05-31 2019-12-05 Qualcomm Incorporated Reference signal design for medium access in cellular v2x communication

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7471200B2 (en) * 2005-06-30 2008-12-30 Nokia Corporation RFID optimized capability negotiation
CN103685573A (zh) * 2013-12-31 2014-03-26 东风汽车有限公司 一种用于汽车与智能终端间的互动系统
CN103823439B (zh) * 2014-02-21 2016-08-17 浙江大学 基于移动终端和车载系统互联的车载资源控制方法
KR102235369B1 (ko) * 2014-03-21 2021-04-02 삼성전자 주식회사 기기간 통신을 위한 저전력을 고려한 경쟁 기반 자원 할당 방법 및 장치
CN104703224B (zh) * 2015-04-09 2018-05-15 宇龙计算机通信科技(深圳)有限公司 用于d2d通信的资源配置方法、装置和终端
US10412612B2 (en) * 2015-05-08 2019-09-10 Lg Electronics Inc. Method for terminal executing V2X communication to determine transmission power in wireless communication system and terminal utilizing the method
CN106911842B (zh) * 2017-01-22 2021-10-08 斑马信息科技有限公司 通信控制方法、通信控制装置、车载设备和交通运输工具
CN108289298A (zh) * 2017-03-25 2018-07-17 深圳雷柏科技股份有限公司 一种在多个蓝牙设备间智能切换的方法和装置
CN107294827B (zh) * 2017-05-27 2019-10-25 烽火通信科技股份有限公司 避免主从设备冲突的rs485通信系统及方法
CN110851271B (zh) * 2019-10-28 2022-12-06 北京梧桐车联科技有限责任公司 资源共享方法及装置、存储介质

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160345360A1 (en) * 2015-05-22 2016-11-24 Qualcomm Incorporated Clear channel assessment procedure at master and slave devices
CN106507500A (zh) * 2015-09-07 2017-03-15 中兴通讯股份有限公司 车联网的通信方法及装置
CN108601007A (zh) * 2018-04-28 2018-09-28 上海与德科技有限公司 蓝牙网络及其组网方法、主设备、从设备
US20190373633A1 (en) * 2018-05-31 2019-12-05 Qualcomm Incorporated Reference signal design for medium access in cellular v2x communication
CN108881990A (zh) * 2018-06-25 2018-11-23 努比亚技术有限公司 音频播放方法、终端及计算机存储介质
CN109040184A (zh) * 2018-06-28 2018-12-18 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） 一种主节点的选举方法及服务器

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4102920A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114640474A (zh) * 2022-05-19 2022-06-17 润芯微科技(江苏)有限公司 一种汽车分离式座舱安全认证与加密方法

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